Do caterpillar's feces weigh the same as the leaf they ate

Color blindness is a recessive trait. the gene for color blindness is on the x chromosome. the family tree below shows the trait of color blindness. the only unknown is the mother in the first generation

Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above